Port Homebrew::DevCmd::StyleCmd

Library/Homebrew/dev-cmd/style.rb

@@ -1,75 +1,74 @@
-# typed: true
+# typed: strict
 # frozen_string_literal: true
 
+require "abstract_command"
 require "json"
 require "open3"
 require "style"
 require "cli/parser"
 
 module Homebrew
-  module_function
+  module DevCmd
+    class StyleCmd < AbstractCommand
+      cmd_args do
+        description <<~EOS
+          Check formulae or files for conformance to Homebrew style guidelines.
 
-  sig { returns(CLI::Parser) }
-  def style_args
-    Homebrew::CLI::Parser.new do
-      description <<~EOS
-        Check formulae or files for conformance to Homebrew style guidelines.
+          Lists of <file>, <tap> and <formula> may not be combined. If none are
+          provided, `style` will run style checks on the whole Homebrew library,
+          including core code and all formulae.
+        EOS
+        switch "--fix",
+               description: "Fix style violations automatically using RuboCop's auto-correct feature."
+        switch "--display-cop-names",
+               description: "Include the RuboCop cop name for each violation in the output.",
+               hidden:      true
+        switch "--reset-cache",
+               description: "Reset the RuboCop cache."
+        switch "--formula", "--formulae",
+               description: "Treat all named arguments as formulae."
+        switch "--cask", "--casks",
+               description: "Treat all named arguments as casks."
+        comma_array "--only-cops",
+                    description: "Specify a comma-separated <cops> list to check for violations of only the " \
+                                 "listed RuboCop cops."
+        comma_array "--except-cops",
+                    description: "Specify a comma-separated <cops> list to skip checking for violations of the " \
+                                 "listed RuboCop cops."
 
-        Lists of <file>, <tap> and <formula> may not be combined. If none are
-        provided, `style` will run style checks on the whole Homebrew library,
-        including core code and all formulae.
-      EOS
-      switch "--fix",
-             description: "Fix style violations automatically using RuboCop's auto-correct feature."
-      switch "--display-cop-names",
-             description: "Include the RuboCop cop name for each violation in the output.",
-             hidden:      true
-      switch "--reset-cache",
-             description: "Reset the RuboCop cache."
-      switch "--formula", "--formulae",
-             description: "Treat all named arguments as formulae."
-      switch "--cask", "--casks",
-             description: "Treat all named arguments as casks."
-      comma_array "--only-cops",
-                  description: "Specify a comma-separated <cops> list to check for violations of only the " \
-                               "listed RuboCop cops."
-      comma_array "--except-cops",
-                  description: "Specify a comma-separated <cops> list to skip checking for violations of the " \
-                               "listed RuboCop cops."
+        conflicts "--formula", "--cask"
+        conflicts "--only-cops", "--except-cops"
 
-      conflicts "--formula", "--cask"
-      conflicts "--only-cops", "--except-cops"
+        named_args [:file, :tap, :formula, :cask], without_api: true
+      end
 
-      named_args [:file, :tap, :formula, :cask], without_api: true
+      sig { override.void }
+      def run
+        target = if args.no_named?
+          nil
+        else
+          args.named.to_paths
+        end
+
+        only_cops = args.only_cops
+        except_cops = args.except_cops
+
+        options = {
+          fix:         args.fix?,
+          reset_cache: args.reset_cache?,
+          debug:       args.debug?,
+          verbose:     args.verbose?,
+        }
+        if only_cops
+          options[:only_cops] = only_cops
+        elsif except_cops
+          options[:except_cops] = except_cops
+        else
+          options[:except_cops] = %w[FormulaAuditStrict]
+        end
+
+        Homebrew.failed = !Style.check_style_and_print(target, **options)
+      end
     end
   end
-
-  def style
-    args = style_args.parse
-
-    target = if args.no_named?
-      nil
-    else
-      args.named.to_paths
-    end
-
-    only_cops = args.only_cops
-    except_cops = args.except_cops
-
-    options = {
-      fix:         args.fix?,
-      reset_cache: args.reset_cache?,
-      debug:       args.debug?,
-      verbose:     args.verbose?,
-    }
-    if only_cops
-      options[:only_cops] = only_cops
-    elsif except_cops
-      options[:except_cops] = except_cops
-    else
-      options[:except_cops] = %w[FormulaAuditStrict]
-    end
-
-    Homebrew.failed = !Style.check_style_and_print(target, **options)
-  end
 end

Library/Homebrew/test/dev-cmd/style_spec.rb

@@ -1,7 +1,8 @@
 # frozen_string_literal: true
 
 require "cmd/shared_examples/args_parse"
+require "dev-cmd/style"
 
-RSpec.describe "brew style" do
+RSpec.describe Homebrew::DevCmd::StyleCmd do
   it_behaves_like "parseable arguments"
 end